Amantadine and Temporal Discrimination in Patients With Traumatic Brain Injury (TBI)

Amantadine and Temporal Discrimination in Patients With Traumatic Brain Injury

The study will explore the neurocognitive effect of four weeks of treatment with amantadine versus placebo in patients with traumatic brain injury using the Interval Bisection Timing Task. Approximately 16 individuals with traumatic brain injury are expected to participate in this study. Subject participation is expected to last up to 8 weeks with 16 study visits.

Inclusion Criteria:

• Age 18 to 55 inclusive. History of post-MVA close head TBI. Female subjects must use an acceptable method of contraception during entire study. Acceptable methods of contraception are: history of surgical sterility, postmenopausal status, hormonal contraceptives, or accepted barrier devices (i.e., male/female condom, diaphragm, cervical cap, intrauterine device).

Exclusion Criteria:

• Current or past history of major psychiatric disorder (schizophrenia, bipolar disorder, major depressive disorder)
• Substance use disorder
• Current or past history of serious chronic medical condition (pulmonary (lung), cardiovascular (heart), hepato-renal (liver-kidney) disease, diabetes)
• Seizures
• Smoking one or more packs of cigarettes per day
• If you are pregnant or breastfeeding, or plan to become pregnant during the study